Error Symptoms List - Acer Aspire T100 Service Manual

Error Symptoms List

NOTE: To diagnose a problem, first find the error symptom in the left column. If directed to a check procedure,
replace the FRU indicated in the check procedure. If no check procedure is indicated, the first Action/
FRU listed in right column is the most likely cause
.
Error Symptom
NOTE: Normally, the processor fan should be operative, and the processor clock setting should be
exactly set to match its speed requirement before diagnosing any processor problems.
Processor fan does not run but power
supply fan runs.
Processor test failed.
NOTE: Ensure the memory modules are installed properly and the contact leads are clean before
diagnosing any system problems.
Memory test failed.
Incorrect memory size shown or
repeated during POST.
System works but fails to enter power
saving mode when the Power
Management Mode is set to Enabled,
and power saving timer set in BIOS has
elapsed.
System hangs before system boot.
System hangs after system boot.
Blinking cursor only; system does not
work.
NOTE: Ensure the diskette drive is configured correctly in BIOS Setup and its read/write head is
clean before diagnosing any diskette drive problems.
Media and drive are mismatched.
Chapter 4
Processor / Processor Fan
1. Ensure the system is not in power saving mode. See
"Power Management" in chapter 2.
2. With the system power on, measure the voltage of
processor fan connector. Its reading should be +12Vdc.
3. System board.
1. Processor
2. System board
System Board and Memory
1. See "Memory"
2. System board
1. Insert the memory modules in the DIMM sockets properly,
then reboot the system.
2. Memory module.
3. System board.
1. Enter BIOS Setup and load default settings.
In Windows 98, check settings in Power Management
Property of Control Panel.
2. Reload software from Recovery CD.
1. See "Index of Symptoms"
2. See "Undetermined Problems"
1. Execute a system test and set it to stop at "Halt on Error"
to see the potential cause of the problem.
2. See "Undetermined Problems".
1. Diskette/IDE drive connection/cables
2. Diskette/IDE disk drives
3. See "Undetermined Problems".
4. System board
Diskette Drive
1. Ensure the diskette drive is configured correctly in the
Disk Drives of BIOS Setup.
2. Ensure the diskette drive is correctly formatted.
3. Diskette drive connection/cable
4. Diskette drive
5. System board
Action/FRU
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